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Subject: Re: PFO test question and comment
Date: Tue, 8 Feb 2000 21:34:27 -0500
From: Bill Wolk <BillWolk@ea*.ne*>
To: "Steve Schultz" <se2schul@un*.ma*.uw*.ca*>
cc: "Techdiver" <techdiver@aquanaut.com>
On2/7/00 4:56 PM, Steve Schultz wrote:

>My question is this:  Is that enough of a test, or do I have to do the
>procedure that I outlined above??
>
>BTW, anyone who wants a PFO test done with the saline as I described above
>should NOT ask for a PFO test, but rather a Bubble study, a saline
>injection study, or a contrast study.  Make sure your doctor and
>technician know someting about what is going on.

Steve -

Any competent cardiologist would know that a bubble echo is required to 
detect PFO in adults.  The bubbles in the aerated saline are what the 
cardiologist sees moving from left to right if there is a PFO or other 
A-V defect (they're highly reflective on the echo). Without them, you 
can't visualize the defect.  Based on my understanding of the process, as 
explained by my own cardiologist, there's no way the test you described 
could be useful. Unfortunately, you're back to square one.





Best regards --

Bill

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